Fatigue threshold and crack growth in an electron beam weld made of steel and bronze

被引：1
|
作者：
Vorel, M
Ruzicka, M
机构：
[1] Tech Univ Chemnitz, Fac Mech Engn & Proc Technol, Dept Engn Design, D-09126 Chemnitz, Germany
[2] Czech Tech Univ, Fac Mech Engn, Dept Mech, Prague 16607, Czech Republic
来源：
ENGINEERING FRACTURE MECHANICS | 2003年 / 70卷 / 18期
关键词：
electron beam weld; crack growth; fracture; threshold value; numerical analysis;
D O I：
10.1016/S0013-7944(03)00164-4
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
In this research topic some experimental tests with single-edge notched beams were performed to determine the threshold load value for fatigue crack growth and to characterize fatigue crack behaviour of an electron beam weld made of steel and bronze. Subsequently, numerical analyses were done to estimate the threshold value DeltaK(th) and to simulate the fatigue crack growth. The calculated crack path was compared to those determined experimentally. The objective was to find out the necessary fracture properties for an analysis of an electron beam welded worm wheel and to asses the capability of usual fracture analysis software to simulate fatigue crack growth in welds. (C) 2003 Elsevier Ltd. All rights reserved.
引用
收藏
页码：2617 / 2624
页数：8
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